VERA Testframework
Maakt het makkelijk om te testen of data voldoet aan de VERA-standaard m.b.v. het pyspark-testframework.
Tutorial
Op het moment is het vera-testframework alleen compatibel met pyspark.
from vera_testframework.pyspark import ReferentiedataTest
from pyspark.sql import SparkSession
from testframework.dataquality import DataFrameTester
spark = SparkSession.builder.appName("vera_testframework").getOrCreate()
Hieronder wordt een voorbeeld DataFrame gemaakt m.b.t. ruimten, waarvan we gaan testen of de waardes voldoen aan de VERA-standaard.
ruimten = [
(1, "LOG", "Loggia"),
(2, "WOO", "Woonkamer"),
(3, "BAD", "Badruimte"),
(4, "BAD", "Badkamer"),
(5, None, "Kelder"),
(6, "SLA", None),
]
ruimten_df = spark.createDataFrame(ruimten, ["id", "code", "naam"])
We maken gebruik van de DataFrameTester van het pyspark-testframework om onze testresultaten in bij te houden.
testframework = DataFrameTester(
df=ruimten_df,
primary_key="id",
spark=spark,
)
Door middel van de ReferentiedataTest kunnen we testen of een kolom voldoet aan de VERA-standaard m.b.t. Referentiedata.
testframework.test(
col="code",
test=ReferentiedataTest(
soort="RUIMTEDETAILSOORT",
attribuut="Code",
release="latest", # standaard is latest, maar kan ook een specifieke versie zijn zoals v4.1.240419
),
nullable=False, # of een waarde leeg mag zijn. Dit is aan de gebruiker
).show(truncate=False)
+-----------+----------------------------------------+-----------+----------+----------------------------------+--------+
|primary_key|test_name |test_result|test_value|test_description |test_col|
+-----------+----------------------------------------+-----------+----------+----------------------------------+--------+
|1 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|true |LOG |VERA_LATEST_RUIMTEDETAILSOORT_Code|code |
|2 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|true |WOO |VERA_LATEST_RUIMTEDETAILSOORT_Code|code |
|3 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|true |BAD |VERA_LATEST_RUIMTEDETAILSOORT_Code|code |
|4 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|true |BAD |VERA_LATEST_RUIMTEDETAILSOORT_Code|code |
|5 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|false |NULL |VERA_LATEST_RUIMTEDETAILSOORT_Code|code |
|6 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|true |SLA |VERA_LATEST_RUIMTEDETAILSOORT_Code|code |
+-----------+----------------------------------------+-----------+----------+----------------------------------+--------+
testframework.test(
col="naam",
test=ReferentiedataTest(
soort="RUIMTEDETAILSOORT",
attribuut="Naam",
),
nullable=True,
description="Naam van ruimtedetailsoort voldoet aan de VERA-standaard"
).show(truncate=False)
+-----------+----------------------------------------+-----------+----------+--------------------------------------------------------+--------+
|primary_key|test_name |test_result|test_value|test_description |test_col|
+-----------+----------------------------------------+-----------+----------+--------------------------------------------------------+--------+
|1 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|true |Loggia |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |
|2 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|true |Woonkamer |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |
|3 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|false |Badruimte |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |
|4 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|true |Badkamer |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |
|5 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|true |Kelder |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |
|6 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|true |NULL |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |
+-----------+----------------------------------------+-----------+----------+--------------------------------------------------------+--------+
De resultaten van de testen zijn te vinden in de .results attribuut van de DataFrameTester.
testframework.results.show(truncate=False)
+-----------+----------------------------------------+-----------+----------+--------------------------------------------------------+--------+---------------+-----------------------+
|primary_key|test_name |test_result|test_value|test_description |test_col|primary_key_col|timestamp |
+-----------+----------------------------------------+-----------+----------+--------------------------------------------------------+--------+---------------+-----------------------+
|1 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|true |LOG |VERA_LATEST_RUIMTEDETAILSOORT_Code |code |id |2025-10-21 15:58:35.475|
|2 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|true |WOO |VERA_LATEST_RUIMTEDETAILSOORT_Code |code |id |2025-10-21 15:58:35.475|
|3 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|true |BAD |VERA_LATEST_RUIMTEDETAILSOORT_Code |code |id |2025-10-21 15:58:35.475|
|4 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|true |BAD |VERA_LATEST_RUIMTEDETAILSOORT_Code |code |id |2025-10-21 15:58:35.475|
|5 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|false |NULL |VERA_LATEST_RUIMTEDETAILSOORT_Code |code |id |2025-10-21 15:58:35.475|
|6 |code__VERA_LATEST_RUIMTEDETAILSOORT_Code|true |SLA |VERA_LATEST_RUIMTEDETAILSOORT_Code |code |id |2025-10-21 15:58:35.475|
|1 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|true |Loggia |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |id |2025-10-21 15:58:35.475|
|2 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|true |Woonkamer |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |id |2025-10-21 15:58:35.475|
|3 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|false |Badruimte |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |id |2025-10-21 15:58:35.475|
|4 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|true |Badkamer |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |id |2025-10-21 15:58:35.475|
|5 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|true |Kelder |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |id |2025-10-21 15:58:35.475|
|6 |naam__VERA_LATEST_RUIMTEDETAILSOORT_Naam|true |NULL |Naam van ruimtedetailsoort voldoet aan de VERA-standaard|naam |id |2025-10-21 15:58:35.475|
+-----------+----------------------------------------+-----------+----------+--------------------------------------------------------+--------+---------------+-----------------------+
Voor meer informatie over hoe het pyspark-testframework te gebruiken, raadpleeg de documentatie op hun Github
spark.stop()
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